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Finding the Fourth Proportional to 875,756.34, 1,208,543.76 and 473,348.34

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Solution

The fourth proportional to 875,756.34, 1,208,543.76 and 473,348.34 is: 653,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,756.34 : 1,208,543.76 = 473,348.34 : x
  2. Step 2: Convert to fraction form
    875,756.34/1,208,543.76 = 473,348.34/x
  3. Step 3: Cross multiply
    875,756.34x = 1,208,543.76 × 473,348.34
  4. Step 4: Simplify right side
    875,756.34x = 572,062,182,613.36
  5. Step 5: Solve for x
    x = 572,062,182,613.36/875,756.34
  6. Step 6: Final answer
    x = 653,220.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.