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Finding the Fourth Proportional to 473,547, 653,486.65 and 258,681.54

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Solution

The fourth proportional to 473,547, 653,486.65 and 258,681.54 is: 356,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,547 : 653,486.65 = 258,681.54 : x
  2. Step 2: Convert to fraction form
    473,547/653,486.65 = 258,681.54/x
  3. Step 3: Cross multiply
    473,547x = 653,486.65 × 258,681.54
  4. Step 4: Simplify right side
    473,547x = 169,044,932,991.44
  5. Step 5: Solve for x
    x = 169,044,932,991.44/473,547
  6. Step 6: Final answer
    x = 356,976.04

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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.