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Finding the Fourth Proportional to 651,068.16, 975,421.24 and 480,711.76

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Solution

The fourth proportional to 651,068.16, 975,421.24 and 480,711.76 is: 720,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,068.16 : 975,421.24 = 480,711.76 : x
  2. Step 2: Convert to fraction form
    651,068.16/975,421.24 = 480,711.76/x
  3. Step 3: Cross multiply
    651,068.16x = 975,421.24 × 480,711.76
  4. Step 4: Simplify right side
    651,068.16x = 468,896,461,021.78
  5. Step 5: Solve for x
    x = 468,896,461,021.78/651,068.16
  6. Step 6: Final answer
    x = 720,195.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.